3LPE Coated Pipes

3LPE Coated Pipes

3LPE Coating for Carbon Steel Pipes and API 5L Grade B Line Pipes

3LPE Coated Seamless Steel Pipes

3LPE Coated Seamless Steel Pipes

DIN 30670 Carbon Steel Pipe

DIN 30670 Carbon Steel Pipe

3LPE Coated Pipes Specifications

Specifications Values
Size 8 inch to 64 inch
Grades Grade A-L210 / Grade B-L245
Layers
  • Fusion Bonded Epoxy
  • Copolymer adhesive
  • Polyethylene
OD 60 to 3000 (MM)
END Plain /Bevel/ Screwed /Threaded
Diameter (Pipe) 1.3.5
2.90mm to 48+
3.1220 mm+
Coating
  • Black Painting
  • Varnished
  • Fusion Bonded Epoxy
  • 3PE/3LPE
Equivalent EN 10204
Hardness Shore D 63
Temperature Range (-20°C - 110°C)

3LPE Coated Seamless Steel Pipes as per International Standard

International Standards
  • DIN 30670
  • CSA Z245.21
  • ISO 21809-1
  • KS D3589
Coating type 3 Layer Polyethylene
Lengths limit Up to 12m
Connections Thread & Weld
Materials list
  • 3LPE Coated Mild Steel pipes
  • 3LPE Coated Alloy Steel Pipes
  • 3LPE Coated Stainless Steel Pipes
  • 3LPE Coated Carbon Steel Pipes
3LEP Layers
  • Layer 1 : Fusion Bonded Epoxy Corrosion Protective Layer.
  • Layer 2 : Copolymer Adhesive
  • Layer 3 : Applied for Physical Protection and Consists of Polyethylene
Lifespan of 3LPE Coated Pipes 75 (Years)+
Coating Thickness 4.2 Millimetre Max
Type Seamless Steel Pipes and 3LPE Pipeline Coating
Size range 25 mm to 3000 mm
Wall Thickness SCH5S to SCH160, XXS
Standards ANSI, JIS, DIN, EN, ISO.
Specialized in
  • 3 Layer Polyethylene Coated Steel Pipes
  • 3LPE Seamless API 5L Gr A / B Pipes
  • LSAW 3LPE Steel Pipe, API 5L
  • APL 5CT 3 Layer Polyethylene Coated Pipes
  • SRL, DRL 3LPE Coated Pipes
Mild Steel Strength 125 kg/cm² (ASTM D 4541)
Temperature Limits -40°C to 80°C

DIN 30670 3LPE Multi-Layer Polyethylene Coated Pipe for Sour Service

Thickness of DIN 30670 Polyethylene Coating Steel Pipe

Thickness of DIN 30670 Polyethylene Coating Steel Pipe

Thickness level N,V,S
Layers
  • 1st Epoxy Resin
  • 2nd Adhesive
  • 3rd Polyethylene
Design Temperature
  • N: -20 - +60℃
  • S: -40 - +80℃
Pipe Type
  • Longitudinal
  • Piral welded
  • Seamless steel
Anti Corrosion Layer
  • Min 80um (Epoxy Resin Thickness)
  • Min 150um (Adhesive Thickness)

3-layer PE Polyolefin Coating material Testing and Inspection
Testing & Inspection of 3LPE Coated Line Pipe

3LPE Coated Seamless Steel Pipes Impact and Bond Strength

Impact Strength

Nominal Size (DN) Ø
Less Than 65 0,70
65 To Below 200 0,85
From 200 1,0

Three Layer Polyethylene (3LPE) Coated Line Pipe Standard

Three Layer Polyethylene (3LPE) Coated Line Pipe Standard

Standard
IS 3581
CSA Z245.21
DIN 30670
AS 4321

Applications of 3LPE Coated Pipes

Applications of 3LPE Coated Pipes

Coating Thickness of 3LPE Coated Line Pipe

Nominal Size of Pipes Min Normal Coating Thick, in (MM)
Over DN 250 to below DN 500 2.2
From DN 800 3.0
Up to DN 100 1.8
From DN 500 to below DN 800 2.5
Over DN 100 up to DN 250 2.0

3LPE Coated Pipes Means

3LPE Coating Means

Mechanical Properties of 3LPE Carbon Steel Pipe

Gr. Yield Point in (Mpa) Rm Tensile Strength in (Mpa) Delivery Condition A Elongation
C ≥275 Mpa ≥485 Annealed 20 %
B ≥240 Mpa ≥415
A ≥205 Mpa ≥330

3LPE Pipe Coating Process

3LPE Pipe Coating Process

Coating Range of DIN 30670 Polyethylene Coating Steel Pipe

Coating Range Size
O-DIE Max Coating Thick. 3.5 (MM)
Min Coat-able Steel Size 1/8
Color of Commercial Coating Yellow, Red
Max Coat-able Steel Size 60
T-DIE Max Coating Thick. 5.0 (MM)
Min Coating Thick. 1.2 (MM)
T-DIE Pipe Coating 8/60
O-DIE Pipe Coating 1/8 - 8

Minimum Requirements of 3LPE Lined Steel Pipe Coating Thickness

Minimum Requirements of Coating Thickness

Nominal Size Min 3LPE Coating Thickness in mm
Up to DN 100 1.8
Over DN 100 - DN 250 2
Over DN 250 - below DN 500 2.2
From DN 500 to below DN 800 2.5
From DN 800 3

3LPE Coated Pipes Features

  • Superb Chemical and Corrosion Resistance
  • Resistance to Disbonding at the Cathode
  • Offer a Long Lifespan and Excellent Performance Qualities.

Grades of 3LPE Multi-Layer Polyethylene Coated Pipe

Grades of 3LPE Coated Seamless Steel Pipes

Types Grades
Carbon Steel Pipe
  • ASTM A134 and A135
  • ASTM A106 Grade B and C
  • ASTM A53/ A53M Grade B
  • ASTM A252
  • LTCS ASTM A333 Grade 3/6
API 5L Pipe
  • API 5L Grade B
  • API 5L line Pipe
  • API 5L X42/52/65/80, PSL1/PSL2, CSN EN ISO 3183
Mild Steel Pipe
  • IS 1239

Value Added Services of 3LPE Coated Line Pipe

  • Recrystallization Annealing
  • Carburizing
  • Forging Mold Blank
  • Annealing
  • Mechanical Finishing
  • Tempering
  • Blanking
  • Cold Extrusion Molding
  • Mechanical Rough Machining

3LPE Coated Pipes HSN Code

Grade HSN Code
3LPE Coated Pipes 730619

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